[PATCH 4.14 092/195] [Variant 2/Spectre-v2] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f2d3b2e8759a upstream. One of the major improvement of SMCCC v1.1 is that it only clobbers the first 4 registers, both on 32 and 64bit. This means

[PATCH 4.14 092/195] [Variant 2/Spectre-v2] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f2d3b2e8759a upstream. One of the major improvement of SMCCC v1.1 is that it only clobbers the first 4 registers, both on 32 and 64bit. This means that it becomes very